Troubleshooter cannot easily copy cyclic redundancy check for errors in file data

July 13, 2020 by Edward Schneider


This guide identifies some possible causes that might lead to checking cyclic redundancy for errors in data that was not copied to the file. Then you can try to solve this problem.

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A cyclic redundancy check or CRC error indicates a hard disk failure. The fact that you see this when you try to copy a file indicates that the wrong point may be in the file itself. We need to verify this, try to recover the file and restore the hard drive.



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Here on this blog, we looked at how to fix a cyclic redundancy check error and steps to recover data lost due to a Stellar Data Recovery software problem.

Cyclic redundancy check (CRC) is essentially a method of checking the data that a computer uses to verify the accuracy of data on hard drives (hard drives, optical hard drives such as CDs, DVDs, etc.) .). ) CRC detects random changes to existing raw data on the media.

A CRC error occurs due to damage to the hard disk, incorrectly configured files, corruption of the registry file, overload of the hard disk, installation failure of the program, or incorrect support location.

What is data cyclic redundancy error?

Cyclic Redundancy Check (CRC) is an error detection technology commonly used in digital networks and storage devices to detect random changes in raw data. It serves as a data verification method to verify the accuracy of data on hard drives, CDs, DVDs, etc.

Despite the specific reason, a CRC error is a serious problem that needs to be resolved as soon as possible to avoid a system crash and especially data loss.

How To Solve A Data Error Problem (checking By Cyclic Redundancy Code)?

cannot copy file data error cyclic redundancy check

To fix the CRC error, you need to restore the hard drive by running the utility y CHKDSK from the command line. CHKDSK checks the integrity of your hard drive and corrects logical file system errors, bad sectors, and file system metadata. You can run CHKDSK as follows:

When CHKDSK finishes checking for errors, reconnect the media to the system and try to access it through the file manager. If you can access the data without errors; Copy the data immediately to a safe place on your system and format the hard drive or other media using the disk management tool or DiskPart.

NOTE: If the problem persists, format the drive. The format erases all data from the storage device. If you do not want to lose data, you should follow the last solution given in this post, which is more efficient and optimal.

SFC means System File Checker, which is used to restore Windows system files, including Windows DLL files, registry files, or other protected files. Sometimes a CRC error occurs due to a damaged file system or file The registry is as described above.

SFC scan detects a problem with the file and replaces the damaged or damaged file with a new one. The whole process can take about 5-20 minutes, depending on the size and size of the file. Follow these steps to start an SFC scan:

Reboot the system after completing the SFC scan and try to access the files from the media. If the problem persists, read the following solution.

If none of the solutions above is right for you, you can use powerful data recovery software such as Stellar Data Recovery Professional for Windows. With this tool, you can recover data from badly damaged, formatted, reformatted, inaccessible hard drives and lost or deleted hard disk partitions with a few clicks.

This tool guarantees safe data recovery from all types of media formatted in exFAT, FAT (FAT16, FAT32) and NTFS, such as USB keys, hard drives and even scratched optical media (CD / DVD).


To avoid CRC errors, schedule a weekly or monthly defragmentation task on Windows. Also run CHKDSK every month to keep the hard drive clean and error free, including bad sectors.

If a CRC error occurs, stop using the system and try to fix it as soon as possible. A mistake can subsequently lead to much more serious problems, including the loss of your valuable data.

However, a data recovery tool such as Stellar Data Recovery Professional for Windows is immediately available to save you from these situations by recovering deleted, inaccessible or lost data. So the next time you encounter data loss problems, visit the Stellar website to find the best solution.

What causes data error cyclic redundancy check?

Cyclic redundancy check is an error detection code used to validate data. If you get this error message, it means that something is wrong with the files or the hard drive. The error may be related to the file itself or to the hard drive. First copy the file to another drive to determine the cause.



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